Hackily ensure single word search string contains wildcards

Triggers fuzzy matching instead of whole-word search

Author: manisandro

qwc2.yml.in

@@ -37,6 +37,8 @@ theme:
     include_homepage_in_sidebar: true
 extra_css:
     - css/custom.css
+extra_javascript:
+  - js/extend-search.js
 markdown_extensions:
   - toc:
       permalink: true

src/js/extend-search.js

@@ -0,0 +1,15 @@
+const params = new URLSearchParams(window.location.search);
+const q = params.get('q');
+
+// Ensure single word query is pre- and postfixed with '*' (wildcard char)
+if (q) {
+  const words = q.split(/\s+/);
+  if (words.length === 1) {
+    const word = words[0];
+    if (!word.startsWith('*') || !word.endsWith('*')) {
+      words[0] = `*${word.replace(/^\*/, "").replace(/\*$/, "")}*`;
+      params.set('q', words.join(' '));
+      window.location.href = `${window.location.pathname}?${params.toString()}`;
+    }
+  }
+}